US20080143734A1 - Image-displaying system, image-displaying apparatus, and image-displaying method - Google Patents

Image-displaying system, image-displaying apparatus, and image-displaying method Download PDF

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Publication number
US20080143734A1
US20080143734A1 US11/880,632 US88063207A US2008143734A1 US 20080143734 A1 US20080143734 A1 US 20080143734A1 US 88063207 A US88063207 A US 88063207A US 2008143734 A1 US2008143734 A1 US 2008143734A1
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Prior art keywords
image
image quality
information
input
quality data
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US11/880,632
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English (en)
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Kensuke Ishii
Masashi Mori
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Sony Corp
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Sony Corp
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Publication of US20080143734A1 publication Critical patent/US20080143734A1/en
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508—Management of client data or end-user data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/654—Transmission by server directed to the client
    • H04N21/6547—Transmission by server directed to the client comprising parameters, e.g. for client setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/658—Transmission by the client directed to the server
    • H04N21/6581—Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness

Definitions

  • the present invention contains subject matter related to Japanese Patent Application JP 2006-201266 filed in the Japanese Patent Office on Jul. 24, 2006, the entire contents of which being incorporated herein by reference.
  • This invention relates to an image-displaying system, an image-displaying apparatus, and an image-displaying method. It, more particularly, relates to a television receiver or the like in which image quality of a displayed image can be adjusted.
  • a digital television receiver equipped with image quality adjustment function has recently provided with some image quality adjustment modes in order to adjust its displayed image quality and enjoy an optimal displayed image that a viewer suits.
  • the image quality adjustment modes such as a dynamic mode, a standard mode, and a custom mode are provided.
  • a user selects one from these modes by means of his or her remote control operation to set it in the television receiver with these modes being switched.
  • the user then saves the set mode.
  • An image is then displayed based on image quality data of the saved mode.
  • various kinds of information such as RGB gain, RGB bias is set in addition to basic sets of picture, brightness, contrast, sharpness, hue, etc.
  • the user may change any sets of image quality data of each mode to meet his or her taste. For example, if the user changes the sets of the image quality data of the custom mode to his or her tasted contrast or sharpness value with him or her viewing a screen in the television display, such the tasted value overwrites any existing value and is saved on any storage media.
  • image information is adjusted based on the saved image quality data so that an image can be displayed. This enables the user to enjoy the displayed image with his or her tasted image quality.
  • the digital television receiver can receive plural kinds of image signals.
  • the image signal contains a terrestrial analog signal, a terrestrial digital signal, a broadcasting satellite (BS) digital signal, a communication satellite (CS) 1 digital broadcast signal, and a CS 2 digital broadcast signal.
  • the digital television receiver may have plural image input terminals.
  • the image input terminal contains video 1 through 3 input terminals, component 1 through 3 input terminals, high-definition multimedia interface (HDMI) 1 through 3 input terminals, and a personal computer (PC) input terminal.
  • the above-mentioned image quality adjustment modes may be set for every image signal or every image input terminal and sets of the image quality data may be also changed.
  • Japanese Patent Application Publication No. 2002-158941 has discloses a digital television receiver equipped with image quality adjustment function (see page 3 and FIG. 3 ) in which a mage-quality-controlling apparatus is provided.
  • the mage-quality-controlling apparatus automatically controls an image quality of output image in the television receiver or the like based on the program genres.
  • the mage-quality-controlling apparatus is provided with an image quality controller that controls its image quality to adjust an image quality of a displayed image automatically based on image-quality-setting information (image quality data) adjusted by a user according to a program genre obtained from a received signal. This enables a user to view and hear the program with user's desired optimal image quality based on a genre of the selected program.
  • set values of the image quality data alter by means of the user's remote control operation or the like.
  • the set values of the image quality data contains many items of information including RGB gain, RGB bias in addition to a basic set of picture, brightness and the like.
  • FIG. 1 shows an example of each of the image quality adjustment modes in the image quality data 41 as related art.
  • the image quality data shown in FIG. 1 contains three species of image quality adjustment modes such as a dynamic mode 41 a , a standard mode 41 b , and a custom mode 41 c .
  • NVRAM for storing image quality data of the above image quality adjustment modes 41 a through 41 c has a volume of about 20 bytes for each mode.
  • the image quality data of these image quality adjustment modes 41 a through 41 c are normally prepared for every genre of input program.
  • the NVRAM has a newly additional volume of increased about 60 bytes. Further, each time an image quality set item of one byte is increased by one, the NVRAM has a newly additional volume of three bytes for each input program. Thus, if it is possible to set each of the items of the image quality data finely for every genre of input program, items to be set on the image quality data may be considerably increased so that the NVRAM can have a considerably increased volume to store such the image quality data.
  • an image-displaying apparatus containing receiving device that receives at least program information indicating a genre of an image and information on the image and image-processing device that performs processing relative to image quality of the information on the image received by the receiving device.
  • the image-displaying apparatus also contains input-controlling device that controls input of image quality information for adjusting image quality of the image through a transmission medium based on the program information received by the receiving device, and image-quality-setting device that sets the image quality processed in the image-processing device by using the image quality information input by the input-controlling device.
  • the receiving device receives at least program information indicating a genre of an image and information on the image.
  • the input-controlling device controls input of image quality information for adjusting image quality of the image through a transmission medium based on the received program information.
  • the transmission medium contains a communication line, electromagnetic wave, and an information transmission channel.
  • the image-quality-setting device sets the image quality processed in the image-processing device by using the image quality information input by the input-controlling device.
  • the image-processing device performs any processing relative to image quality of the information on the image based on the image quality information corresponding to the program information. This enables a viewer to enjoy an image to meet his or her taste for every genre of program and to update any existing image quality information easily by using any previously adjusted image quality information.
  • an image-displaying method including the steps of receiving at least program information indicating a genre of an image, inputting image quality information for adjusting image quality of the image through a transmission medium based on the received program information, selecting the image quality information from the input image quality information based on the program information, and performing the image information based on the selected image quality information.
  • At least program information indicating a genre of an image is received.
  • the image quality information is then input for adjusting image quality of the image through a transmission medium based on the received program information.
  • the image quality information is further selected from the input image quality information based on the program information.
  • the processing relative to image quality of the information on the image is performed based on the selected image quality information. This enables a viewer to enjoy an image to meet his or her taste for every genre of program and to update any existing image quality information easily by using any previously adjusted image quality information.
  • an image-displaying apparatus containing a set number of terminals that receives information on an image, image-processing device that performs processing relative to image quality of the information on the image received through the terminals, input-controlling device that controls input of image quality information for adjusting image quality of the image through a transmission medium, relative to the information of the image, and image-quality-setting device that sets the image quality processed in the image-processing device by using the image quality information input by the input-controlling device.
  • the image-quality-setting device receives an image-switching signal and the image quality is set in the image-processing device based on the input image-switching signal.
  • the input-controlling device controls input of image quality information for adjusting image quality of the image through a transmission medium, relative to the information on the image output from the image-outputting device that outputs the information on the image.
  • the image-quality-setting device sets the image quality processed in the image-processing device by using the image quality information input by the input-controlling device.
  • the image-quality-setting device receives an image-switching signal when the image-outputting device is switched and the image quality is set in the image-processing device based on the received image-switching signal.
  • the image-processing device performs any processing relative to image quality of the information on the image output from the image-outputting device based on the image quality information. This enables a viewer to enjoy an image to meet his or her taste for every switch of inputs and to update any existing image quality information easily by using any previously adjusted image quality information.
  • an image-displaying method including the steps of inputting image quality information for adjusting image quality of an image through a transmission medium, inputting an image-switching signal for switching input of the image after inputting the image quality information, selecting the image quality information based on the input image-switching signal, and performing processing relative to image quality of the information on the image based on the selected image quality information.
  • image quality information is input for adjusting image quality of an image through a transmission medium.
  • An image-switching signal for switching input of the image is input after inputting the image quality information.
  • the image quality information is then selected based on the input image-switching signal.
  • the processing relative to image quality of the information on the image is performed based on the selected image quality information.
  • an image-displaying system containing a sending apparatus that sends image quality information for adjusting image quality of an image in reply to a request, and an image-displaying apparatus that displays the image based on the image quality information received from the sending apparatus.
  • the image-displaying apparatus includes receiving device that receives at least program information indicating a genre of an image and information on the image, and image-processing device that performs processing relative to image quality of the information on the image received by the receiving device.
  • the image-displaying apparatus also includes input-controlling device that controls input of image quality information for adjusting image quality of the image through a transmission medium based on the program information received by the receiving device, and image-quality-setting device that corresponds the image quality information input by the input-controlling device to the program information and sets image quality of the information on the image in the image-processing device based on the program information.
  • the sending apparatus sends image quality information for adjusting image quality of an image in reply to a request.
  • image-displaying apparatus at least program information indicating a genre of an image is received.
  • the image quality information is then input for adjusting image quality of the image through a transmission medium based on the received program information.
  • the image quality information is further selected from the input image quality information based on the program information.
  • the information on the image is processed based on the selected image quality information.
  • the image-displaying apparatus displays the image based on the image information received from the sending apparatus. This enables a viewer to enjoy an image to meet his or her taste for every genre of programs and to update any existing image quality information easily by using any previously adjusted image quality information.
  • an image-displaying system containing a sending apparatus that sends image quality information for adjusting image quality of an image in reply to a request, and an image-displaying apparatus that displays the image based on the image quality information received from the sending apparatus.
  • the image-displaying apparatus includes a set number of terminals that is connected to the image-outputting device and receives information on an image from an image-outputting device, image-processing device that performs processing relative to image quality of the information of the image received through the terminals, input-controlling device that controls input of image quality information for adjusting image quality of the image through a transmission medium, relative to the information on the image received from the image-outputting device, and image-quality-setting device that sets the image quality processed in the image-processing device by using the image quality information input by the input-controlling device.
  • the image-quality-setting device receives an image-switching signal when the image-outputting device that outputs the information on the image is switched. The image quality is set in the image-processing device based on the input image-switching signal.
  • the sending apparatus sends image quality information for adjusting image quality of an image in reply to a request.
  • the image quality information for adjusting image quality of the image is input through a transmission medium, relative to the information on the image received from the image-outputting device.
  • the image quality to be processed in the image-processing device is then by using the image quality information input by the input-controlling device. Any processing relative to image quality of the information of the image received through the terminals is performed.
  • the image-quality-setting device receives an image-switching signal when the image-outputting device that outputs the information on the image is switched, the image quality is set in the image-processing device based on the input image-switching signal. This enables a viewer to enjoy an image to meet his or her taste for every switch of inputs and to update any existing image quality information easily by using any previously adjusted image quality information.
  • FIG. 1 is a diagram for showing an example of each item of image quality data as related art
  • FIG. 2 is a block diagram for illustrating a configuration of a first embodiment of an image-displaying system with an image quality adjustment function according to the invention
  • FIG. 3 is a diagram for illustrating an example of each item of image quality data (a group of the image quality data) for every genre of the programs;
  • FIG. 4 is a diagram for illustrating an example of a program genre table in which the program genre is classified in a digital broadcast;
  • FIG. 5 is a diagram for showing an example of an image quality data selection table, based on which the image quality data is selected
  • FIG. 6 is a diagram for showing a linkage example of input genres and items of the image quality data
  • FIG. 7 is a diagram for illustrating a display example in a display of a digital television receiver (hereinafter referred to as “DTV 1 ”) when image quality data is obtained from a storage server and a manipulation example of a user;
  • DTV 1 digital television receiver
  • FIG. 8 is a diagram for illustrating a display example in a browser when image quality data is obtained from the storage server and a manipulation example (No. 1) of a user;
  • FIG. 9 is a diagram for illustrating a display example in the browser when image quality data is obtained from the storage server and a manipulation example (No. 2) of a user;
  • FIG. 10 is a diagram for illustrating a display example in the browser when image quality data is obtained from the storage server and a manipulation example (No. 3) of a user;
  • FIG. 11 is a diagram for illustrating a display example in the browser when image quality data is obtained from the storage server and a manipulation example (No. 4) of a user;
  • FIG. 12 is a diagram for illustrating a display example in the browser when image quality data is obtained from the storage server and a manipulation example (No. 5) of a user;
  • FIG. 13 is a flowchart for showing operations of the storage server
  • FIG. 14 is a flowchart for showing operations of the DTV 1 ;
  • FIG. 15 is a diagram for illustrating a display example in a display of the DTV 1 when image quality data is obtained from a USB memory and a manipulation example (No. 1) of a user;
  • FIG. 16 is a diagram for illustrating a display example in the display of the DTV 1 when image quality data is obtained from the USB memory and a manipulation example (No. 2) of a user;
  • FIG. 17 is a diagram for illustrating a display example in the display of the DTV 1 when image quality data is obtained from the USB memory and a manipulation example (No. 3) of a user;
  • FIG. 18 is a diagram for illustrating a display example in a display of the DTV 1 when image quality data is output to a USB memory and a manipulation example (No. 1) of a user;
  • FIG. 19 is a diagram for illustrating a display example in the display of the DTV 1 when image quality data is output to the USB memory and a manipulation example (No. 2) of a user;
  • FIG. 20 is a diagram for illustrating an example of writing image quality data to a text file
  • FIG. 21 is a diagram for illustrating an example of reading image quality data from text files.
  • FIG. 22 is a flowchart for showing a check example of text files.
  • FIG. 2 illustrates a configuration of an embodiment of an image-displaying system 100 with an image quality adjustment function according to the invention.
  • the image-displaying system 100 shown in FIG. 2 contains a digital television receiver (hereinafter, referred to as “DTV 1 ”) 101 , a storage server 103 for image quality data, and communication lines 105 .
  • the image quality data (image quality information) is referred to as “various kinds of data for adjusting image quality of an image” such as various kinds of data for adjusting brightness, contrast, color depth and the like.
  • the storage server 103 functions as a sender and is connected to the DTV 1 through the communication lines 105 .
  • the storage server 103 sends the image quality data to the DTV 1 .
  • the storage server 103 sends the image quality data to the DTV 1 via the communication lines 105 and the Internet 107 .
  • the DTV 1 101 is an image-displaying apparatus with any image quality adjustment function.
  • the DTV 1 101 receives at least program information indicating a genre of image and receives the image quality data relative to the received program information from the storage server 103 to set image quality based on the program information in an image-processing section 109 built therein where the image is processed by using the received image quality data.
  • the program information is referred to as “information such that at least genre information of the image (program) is acquired from an event information table (EIT) contained in a service information (SI) table” in a standard, STD-B 10 of the association of radio industries and businesses (ARIB) in Japan.
  • This genre information of the program includes “News/Press Reports” and “Sports”.
  • the DTV 1 101 contains a tuner 111 , a digital-broadcast-receiving section 113 , the image-processing section 109 , an image-outputting section 115 , and a main central processing unit (CPU) 117 .
  • the tuner 111 is connected to an antenna 119 for receiving ultra-high frequency (UHF) electric wave and tunes a broadcast signal received by the antenna 119 to a desired channel to transmit it to the digital-broadcast-receiving section 113 .
  • UHF ultra-high frequency
  • the digital-broadcast-receiving section 113 functions as a receiving device.
  • the digital-broadcast-receiving section 113 is connected to the tuner 111 and receives program information relative to the tuned broadcast signal to a desired channel among the received broadcast signal.
  • the digital-broadcast-receiving section 113 acquires image information from the received broadcast signal and transmits the image information to the image-processing section 109 and the program information to the main CPU 117 .
  • the image-processing section 109 functions as an image-processing device and is connected to the digital-broadcast-receiving section 113 .
  • the image-processing section 109 receives the image information from the digital-broadcast-receiving section 113 to perform any processing relative to image quality of the received image information and transmits the processed image information to the image-outputting section 115 .
  • the image-outputting section 115 is connected to the image-processing section 109 and receives the image information from the mage-processing section 109 to output the received image information and display it on a display as an image.
  • the DTV 1 also contains a universal series bus (USB) terminal 121 , a USB controller 123 , a network terminal 125 , a video terminal 127 , a high-definition multimedia interface (HDMI) terminal 129 .
  • the USB terminal 121 constitutes an information transmission channel and a USB memory 131 or the like is inserted into the USB terminal 121 .
  • the USB memory 131 stores any image quality data and the like.
  • the USB controller 123 is connected to the USB terminal 121 to control it. For example, when the USB memory 131 is inserted into the USB terminal 121 , the USB controller 123 controls the USB memory 131 to read the image quality data out thereof and transmit it to the main CPU 117 .
  • the network terminal 125 is connected to the communication lines 105 that are also connected to the storage server 103 via the Internet 107 .
  • the video terminal 127 is connected to a video recorder (image output apparatus), not shown.
  • the main CPU 117 functions as input-controlling device and is connected to the video terminal 127 .
  • the main CPU 117 controls input of the image information reproduced by the video recorder.
  • the HDMI terminal 129 is connected to an image apparatus (image-outputting apparatus), not shown.
  • the main CPU 117 is also connected to the HDMI terminal 129 and controls input of the image information from any image apparatus and output of the image information received via the video terminal 127 and the HDMI terminal 129 toward the image-processing section 109 .
  • the main CPU 117 controls input of the image quality data relative to the image information output from the video recorder or the image apparatus, through the USB terminal 121 or the like.
  • the mage-processing section 109 receives the image information and performs any processing on the image information, based on the image quality data received via the USB terminal 121
  • the DTV 1 further contains a sub CPU 133 , a peripheral component interconnection (PCI) bus 135 , and non-volatile random access memory 137 .
  • PCI peripheral component interconnection
  • the main CPU 117 is connected to the digital-broadcast-receiving section 113 through the PCI bus 135 and receives the program information from the digital-broadcast-receiving section 113 .
  • the main CPU 117 is also connected to the USB controller 123 and the network terminal 125 and controls them to input the image quality data relative to the program information through the transmission medium.
  • the transmission medium contains the communication lines 105 , electromagnetic wave, and the USB terminal 121 .
  • the USB controller 123 controls the USB memory 131 to read the image quality data and transmit it to the main CPU 117 . This enables any existing image quality data to be easily updated by using the previously adjusted image quality data.
  • the main CPU 117 controls transmission of the input image quality data and the program information to the sub CPU 133 .
  • the sub CPU 133 functions as the image-quality-setting device and is connected to the main CPU 117 .
  • the sub CPU 133 controls the NVRAM 137 to store the input image quality data and the program information from the main CPU 117 .
  • the NVRAM 137 functions as the storage device and is connected to the sub CPU 133 to store the input image quality data and the program information.
  • the sub CPU 133 controls the NVRAM 137 to read the image quality data stored therein and set image quality in the image processing section 109 based on the genre information of the program by using the image quality data stored the NVRAM 137 .
  • the image-processing section 109 performs any image processing on the input information on the image to meet the set image quality and transmits the processed information on the image to the image-outputting section 115 . This enables image quality of an image to be adjusted to meet user's taste for every genre of the program by using the image quality data received from the USB memory 131 , thereby allowing the image to be displayed with optimal image quality for every genre of the
  • the sub CPU 133 also sets the image quality data relative to each of the pieces of image information received through the video terminal 127 and the HDMI terminal 129 . For example, if input is switched to a video, the sub CPU 133 controls the image-processing section 109 to set the image quality to be processed therein relative to the image quality data received through the USB terminal 121 and the like, based on an image-switching signal received from the main CPU 117 . This enables image quality of an image to be adjusted to meet user's taste for every input switching of the input image.
  • FIG. 3 illustrates an example of each item of image quality data for every genre of the program (a group 140 of the image quality data).
  • Each item of the image quality data illustrated in FIG. 3 is provided for every piece of the genre information of the programs in EIT.
  • the genre information of the programs in EIT presently contains a total of 13 species of genre information such as “News/Reports”, “Drama”, “Hobby/Education”, and “Documentary/Culture”.
  • each item of the image quality data illustrated in FIG. 3 is also provided for every image input terminal such as the video terminal 127 and HDMI terminal 129 .
  • image input terminal such as the video terminal 127 and HDMI terminal 129 .
  • “Standard”, “Shop”, “Custom 1 ”, “Custom 2 ”, “Custom 3 ”, “Game”, and “PC” are respectively provided.
  • Optional or different image quality data other than the above-mentioned item of the image quality data illustrated in FIG. 3 may be prepared.
  • the group 140 of the image quality data is exclusively managed under an image quality data selection table 144 shown in FIG. 5 .
  • Items of the image quality data contain, for example, “Identifier (ID)” with 8 bits, “Back Light” with 4 bits, “Picture” with 8 bits, “Brightness” with 8 bits, “Color Depth” with 8 bits, “Hue” with 8 bits, “Color Temperature” with 2 bits, “Sharpness” with 8 bits, “Noise Reduction” with 3 bits, digital reality creation (DRC) Mode Change” with 2 bits, “DRC palette” with 16 bits, “Black Compensation” with 3 bits, “Contrast Enhancer” with 2 bits, “Gamma Compensation” with 3 bits, “Clear White” with 2 bits, “Live Color” with 2 bits, “Color Space” with 1 bit, “Detail Enhancer” with 3 bits, “Edge Enhancer” with 2 bits, “Cinema Drive” with 8 bits, “Block Noise Reduction” with 8 bits, “Cinema Black Pro” with 8 bits, “RGB Gains” with 24 bits (8 bits multiplied by 3), and “RGB Bi
  • FIG. 4 illustrates an example of a program genre table 142 in which the program genre is classified in a digital broadcast.
  • the program genre table 142 illustrated in FIG. 4 is prepared by picking the program genre information out of EIT contained in SI table.
  • the program genre table 142 contains pieces of the program genre information such as “News/Reports”, “Sports”, “Information/Tabloid Show”, “Drama”, “Music”, “Variety Show”, “Movies”, “Animation/Special Effects”, “Documentary/Culture”, “Theater/Public Performance”, “Hobby/Education”, “Welfare”, “Reserved”, “For Extension” and “Others (Undefined)”.
  • a broadcasting station broadcasts information on the SI table.
  • the UHF antenna 119 of DTV 1 101 receives the information on the SI table and NVRAM 137 stores the received information on the SI table.
  • Electronic program guide (EPG) and the like are prepared based on the stored information on the SI table. To EPG, any channel information and the program genre information for each piece of broadcast time are linked.
  • the sub CPU 133 refers to EPG stored in NVRAM 137 and acquires the program genre information such as “Sports” corresponding to the 3rd channel from the referred EPG.
  • the sub CPU 133 refers to the image quality data selection table 144 shown in FIG. 5 by using a program genre identifier of the acquired program genre information such as “Sports” as a search key and selects an image quality data identifier 2 .
  • the sub CPU 133 transmits image quality data corresponding to the selected image quality data identifier 2 of “Sports” to the image-processing section 109 .
  • the image-processing section 109 receives the image quality data corresponding to the selected image quality data identifier 2 of “Sports” and adjusts brightness, contrast, color depth and the like of the information on the image to transmit the adjusted information on the image to the image-outputting section 115 .
  • the sub CPU 133 acquires the program genre information to select the image quality data.
  • FIG. 5 shows an example of the image quality data selection table 144 , based on which the image quality data is selected.
  • the image quality data selection table 144 is stored in NVRAM 137 and contains items of “Program Genre Identifiers”, “Names of Program Genres”, “Names of Input Terminals”, and “Image Quality Data Identifier”.
  • identifiers in the program genre table 142 illustrated in FIG. 4 are registered. For example, these identifiers include 0 through 9 and A through F.
  • names of the program genres in the program genre table 142 each corresponding to any program genre identifiers are registered. In this example, for example, “News/Reports” is registered corresponding to the program genre identifier 0 and “Sports” is registered corresponding to the program genre identifier 1 .
  • names of image input terminals are registered. For example, “HDMI” and “Video 1 ” are registered.
  • Image Quality Data Identifier identifiers of the image quality data illustrated in FIG. 3 are registered. In this example, these identifiers includes 1 through 20 each corresponding to any program genre identifiers and any names of input terminals.
  • the program genre identifier 0 corresponds to the image quality data identifier 1 , namely, the image quality data of the name of program genre, “News/Reports” illustrated in FIG. 3
  • the image quality data identifier 7 corresponds to the name of input terminal, “HDMI”, namely, the image quality data of name of program genre, “Movies”.
  • correspondences may be changed by a user.
  • the correspondence between the name of input terminal, “HDMI” and the image quality data identifier 7 (the image quality data of movies) may be changed to that between the name of input terminal, “HDMI” and the image quality data identifier 5 (the image quality data of music).
  • the user manipulates DTV 1 101 to display a screen for change of the correspondences, not shown.
  • the user manipulates DTV 1 101 to change the correspondence between the name of input terminal, “HDMI” and the image quality data identifier 7 (the image quality data of movies) to that between the name of input terminal, “HDMI” and the image quality data identifier 5 (the image quality data of music).
  • the main CPU 117 controls the NVRAM 137 to transfer “HDMI” in the item of “Names of Input Terminals” of the image quality data selection table 144 that is stored in the NVRAM 137 corresponding to the item of name of program genre “Movies” to that corresponding to the item of name of program genre “Music”.
  • This enables any image information input through the HDMI terminal 129 to be adjusted based on the image quality data of “Music” after transferring it, thereby allowing any image quality of an image to be selected to meet user's taste to display it on a screen.
  • the program genres and the image input terminals are referred to as “input genres” hereinafter.
  • FIG. 6 shows a linkage example of the input genres and the items of the image quality data.
  • the input genres includes input genres 150 A that are available for image quality sommelier function and input genres 150 B that are unavailable for the image quality sommelier function.
  • the image quality sommelier function is referred to as “function to refer to and search the image quality data selection table 144 based on the input program genre information to select any desired image quality data from the group 140 of the image quality data illustrated in FIG. 3 ”.
  • Input genres 150 A that is available for image quality sommelier function is of input genres on a terrestrial analog broadcast, a terrestrial digital broadcast, a BS digital broadcast, a CS 1 digital broadcast, and a CS 2 digital broadcast.
  • the tuner 111 sets a television channel to 3rd channel
  • the main CPU 117 in DTV 1 101 transfers channel information of 3rd channel to the sub CPU 133 .
  • the sub CPU 133 receives the channel information of 3rd channel and refers to EPG stored in the NVRAM 137 to acquire from the referred EPG the program genre identifier, for example, 1 corresponding to the name of the program genre, “Sports” that corresponds to the channel information of 3rd channel at a set period of time.
  • the sub CPU 133 After acquiring the program genre identifier 1 , the sub CPU 133 refers to the image quality data selection table 144 shown in FIG. 5 to search items of the program genre identifiers by using the program genre identifier 1 as a search key. The sub CPU 133 then obtains the image quality data identifier 2 corresponding to the program genre identifier 1 and transmits image quality data corresponding to the obtained image quality data identifier 2 relative to “Sports” among the group 140 of the image quality data stored in the NVRAM 137 to the image-processing section 109 . Thus, the sub CPU 133 allows the image quality data to be selected by obtaining the program genre information. This is identical to each of the cases of the terrestrial analog broadcast, the BS digital broadcast, the CS 1 digital broadcast, and the CS 2 digital broadcast.
  • Input genres 150 B that is unavailable for image quality sommelier function is of input genres on a video 1 , a video 2 , a video 3 , a component 1 , a component 2 , a component 3 , HDMI 1 , HDMI 2 , and PC.
  • the main CPU 117 allows receipt of an image-switching signal to switch input thereof to the video 1 , and transmits any video input signal to the sub CPU 133 at the same time.
  • the sub CPU 133 refers to the image quality data selection table 144 shown in FIG.
  • the sub CPU 133 then obtains the image quality data identifier 14 corresponding to the name of searched input terminal “Video 1 ” and transmits to the image-processing section 109 image quality data corresponding to the obtained image quality data identifier 14 relative to the name of program genre “Standard” among the group 140 of the image quality data stored in the NVRAM 137 .
  • the sub CPU 133 allows acquisition of the image switch signal and selection of the image quality data.
  • the image quality data 155 A that can be automatically selected based on the image quality sommelier function contains items of the image quality data indicated by the image quality data identifiers 1 through 13 of the image quality data selection table 144 shown in FIG. 5 .
  • the image quality data 155 B that has invalid image quality sommelier function contains items of the image quality data indicated by the image quality data identifiers 14 through 20 which a user can set. The user can select the image quality data optionally on a real-time basis relative to his or her viewed and heard program.
  • the main CPU 117 receives an ON/OFF switch signal.
  • the main CPU 117 controls the sub CPU 133 to set the image quality based on the ON/OFF switch signal. For example, if receiving the OFF switch signal, the main CPU 117 transmits to the sub CPU 133 a signal to read image quality data corresponding to the name of program genre, “Standard” from the NVRAM 137 despite of any input genres. In this moment, the sub CPU 133 transmits the image quality data corresponding to the name of program genre, “Standard” to the image-processing section 109 but if the user changes the television channel, the sub CPU 133 keeps this image quality data.
  • a method of setting the image quality data automatically based on brightness in a room and a method of setting the image quality data automatically based on brightness or hue in whole of the broadcast screen are conceivable, in addition to a method of switching the image quality data automatically based on the user's viewed and heard program genre information.
  • the image quality sommelier function switches the image quality data automatically when the program genre alters so that this prevents the image quality data set by the user to his or her desired channel from being linked to this channel and stored in the NVRAM 137 . While the image quality sommelier function is set OFF or input has an invalid image quality sommelier function, however, the image quality data selected and set by the user is stored in the NVRAM 137 with it being linked to the input genre.
  • FIGS. 7 through 12 illustrate an embodiment in which the image quality data is received through the Internet 107 .
  • FIG. 7 illustrates a display example in a display 170 of DTV 1 101 when image quality data is obtained from the storage server 103 and a manipulation example of a user.
  • the DTV 1 101 is provided with a remote controller 180 .
  • This remote controller 180 has selection buttons 182 and a decision button 184 .
  • the selection buttons 182 are constituted of four triangular buttons each arranged so that they are respectively oriented upward, downward, rightward, and leftward.
  • the image-outputting section 115 of DTV 1 101 is provided with a display 170 as illustrated in FIG. 7 and a mark 172 is highlighted at a user's selected item in the display 170 .
  • a selection screen for selecting input and/or input of the image quality data is displayed on the display 170 in DTV 1 101 shown in FIG. 7 . This selection screen is displayed when a switch button, not shown, on the remote controller 180 is manipulated and an image quality data input/output program stored in a hard disk, not shown, or the like boots up on the main CPU 117 .
  • a title M 1 “Image Quality Data Input/Output Screen” is displayed.
  • the Internet, USB, and electric wave are respectively displayed so that they can be selected and as the image quality data outputs, the Internet, USB, and electric wave are also displayed so that they can be selected.
  • the user first manipulates the selection buttons 182 of the remote controller 180 to set the mark 172 on an item of the Internet as the image quality data input.
  • the user pushes the decision button 184 .
  • an infrared-rays-receiving section, not shown, of DTV 1 101 receives infrared rays from the remote controller 180 to transmit a decision signal to the main CPU 117 .
  • the main CPU 117 receives this decision signal to read uniform resource locator (URL) stored in a hard disk, not shown, and connect DTV 1 101 to a storage server 103 corresponding to this URL through the network terminal 125 , the communication lines 105 , and the Internet 107 .
  • the main CPU 117 starts up a browser 190 as shown in FIG. 8 after the connection. This enables DTV 1 101 to communicate with the storage server 103 .
  • URL uniform resource locator
  • FIG. 8 illustrates a display example in the browser 190 when the image quality data is obtained from the storage server 103 and a manipulation example (No. 1) of the user.
  • the browser 190 is displayed in the display 170 as illustrated in FIG. 8 .
  • a pull-down menu for selecting the program genre is displayed on the browser 190 .
  • the pull-down menu is displayed when the mark 172 is set on item of the Internet 107 of the image quality data input illustrated in FIG. 7 and the decision button 184 is pushed so that DTV 1 101 can be connected to the storage server 103 .
  • a title M 2 “Image Quality Data Input (through the Internet)” is displayed.
  • the browser 190 started up after the connection with the storage server 103 is displayed.
  • a name of equipment “Name of Equipment: XXXX” is displayed.
  • a message “Selection of Program Genre” is also displayed.
  • the pull-down menu is displayed.
  • a user manipulates the selection buttons 182 to set the mark 172 on the pull-down menu (Various Kinds of Genres) and pushes the decision button 184 .
  • the decision button 184 a list of items of the names of program genres in the image quality data selection table 144 illustrated in FIG. 5 is pulled downward and displayed.
  • the user pushes the selection button 182 oriented downward to select, for example, the name of program genre, “Sports” and then, pushes the decision button 184 . This enables the program genre to be selected.
  • FIG. 9 illustrates a display example in the browser 190 when the image quality data is obtained from the storage server 103 and a manipulation example (No. 2) of the user.
  • a list of the image quality data relative to the selected program genre, “Sports” is displayed on the browser 190 illustrated in FIG. 9 .
  • the list is displayed when the user selects the name of program genre, “Sports” on the pull-down menu illustrated in FIG. 8 and pushes the decision button 184 .
  • a title M 2 “Image Quality Data Input (through the Internet)” is displayed.
  • the browser 190 is displayed.
  • a name of equipment “Name of Equipment: XXXX” is displayed.
  • a selection of program genre “Selection of Program Genre” is also displayed.
  • the name of program genre, “Sports” selected in FIG. 8 is highlighted and beside the selected program genre, the list of the image quality data relative to the selected program genre, “Sports” is displayed.
  • the list contains items of the image quality data such as “Baseball”, “Soccer”, “Sumo”, “Tennis”, and “Golf”. One of these items can be selected by setting a radio button.
  • the user pushes the selection buttons 182 to set the mark 172 on the radio button of baseball and pushes the decision button 184 .
  • This enables the image quality data relative to the selected program genre, “Sports (Baseball)” to be selected. This is identical in the selections of the image quality data relative to the selected program genres, “Movies (Action)”, “Animation/Special Effects (Fight)” and the like.
  • a NEXT button 192 is displayed on a bottom of the browser 190 .
  • the user sets the mark 172 on this NEXT button 192 and pushes the decision button 184 . This enables a next procedure to be shifted.
  • FIG. 10 illustrates a display example in the browser 190 when the image quality data is obtained from the storage server 103 and a manipulation example (No. 3) of the user.
  • a confirmation screen for confirming the selected program genre is displayed on the browser 190 illustrated in FIG. 10 .
  • the confirmation screen is displayed when the user selects the image quality data relative to the program genres, “Sports (Baseball)”, “Movies (Action)”, and “Animation/Special Effects (Fight)” on the pull-down menu illustrated in FIG. 9 and pushes the NEXT button 190 .
  • a title M 2 “Image Quality Data Input (through the Internet)” is displayed.
  • the browser 190 is displayed.
  • a name of equipment “Name of Equipment: XXXX” is displayed.
  • a message “Confirmation Screen for confirming the Selected Program Genre(s)” is also displayed.
  • the image quality data relative to the program genre “Sports (Baseball)” selected in FIG. 9 is displayed.
  • items of the image quality data relative to the program genres “Movies (Action)” and “Animation/Special Effects (Fight)” selected in FIG. 9 are also displayed.
  • FIG. 9 are also selected similar to the program genre, “Sports (Baseball)” illustrated in FIG. 9 .
  • a CONFIRM button 194 On a bottom of the browser 190 , a CONFIRM button 194 , a DELETE button 196 , a RETURN button 198 are displayed.
  • the multiple items of the above-mentioned image quality data relative to the program genres, “Sports (Baseball)”, “Movies (Action)”, and “Animation/Special Effects (Fight)” can be selected by checking their check boxes. For example, the user pushes the selection buttons 182 of the remote controller 180 to set the mark 172 on the check box of “Sports (Baseball)” and pushes the decision button 184 to check this check box. Similarly, the user checks the check boxes of “Movies (Action)” and “Animation/Special Effects (Fight)”.
  • the user sets the mark 172 on the DELETE button 196 and pushes the decision button 184 when checking all of the check boxes of the image quality data relative to the above-mentioned three species of program genres, all of the items of the image quality data relative to the checked program genres can be deleted. If the user sets the mark 172 on the RETURN button 198 and pushes the decision button 184 , the browser 190 illustrated in FIG. 9 is again displayed. Thus, the user can confirm or delete the image quality data relative to the selected program genres.
  • FIG. 11 illustrates a display example in the browser 190 when the image quality data is obtained from the storage server 103 and a manipulation example (No. 4) of the user.
  • a confirmation screen for confirming the image quality data relative to three species of the selected program genres is displayed on the browser 190 illustrated in FIG. 11 .
  • the confirmation screen is displayed when the user checks all of the check boxes of “Sports (Baseball)”, “Movies (Action)”, “Animation/Special Effects (Fight)” illustrated in FIG. 10 and pushes the CONFIRM button 194 .
  • a title M 2 “Image Quality Data Input (through the Internet)” is displayed.
  • the browser 190 is displayed.
  • a name of equipment “Name of Equipment: XXXX” is displayed.
  • a verification message for verifying whether the image quality data selected in FIG. 10 is to be downloaded is also displayed.
  • the items of the image quality data relative to three species of program genres, “Sports (Baseball)”, “Movies (Action)”, and “Animation/Special Effects (Fight)” selected in FIG. 10 are displayed. This is because the user has checked all of the check boxes illustrated in FIG. 10 relating to these items of the image quality data.
  • a YES button 200 and a NO button 202 are displayed.
  • the user verifies the image quality data displayed on the browser 190 illustrated in FIG. 11 and downloads the image quality data, he or she manipulates the selection buttons 182 to set the mark 172 on the YES button 200 and pushes the decision button 184 .
  • the user does not download the image quality data, he or she manipulates the selection buttons 182 to set the mark 172 on the NO button 202 and pushes the decision button 184 .
  • the user After pushing the NO button 202 , the user returns the display 170 illustrated in FIG. 10 where he or she again selects the image quality data. This prevents undesirable image quality data from being obtained.
  • FIG. 12 illustrates a display example in the browser 190 when the image quality data is obtained from the storage server 103 and a manipulation example (No. 5) of the user.
  • a confirmation screen for confirming that the image quality data has been downloaded is displayed on the browser 190 illustrated in FIG. 12 .
  • the confirmation screen is displayed when the user pushes the YES button 200 displayed in FIG. 11 .
  • a title M 2 “Image Quality Data Input (through the Internet)” is displayed.
  • the browser 190 is displayed.
  • a name of equipment “Name of Equipment: XXXX” is displayed.
  • a message that the image quality data verified in FIG. 11 has been downloaded is also displayed.
  • the items of the image quality data relative to three species of program genres, “Sports (Baseball)”, “Movies (Action)”, and “Animation/Special Effects (Fight)” verified in FIG. 11 are displayed. This enables the user to certify timing of completion of the download of the image quality data and any final results of the downloaded image quality data.
  • downloading the image quality data set by another person through the Internet 107 allows any existing image quality data to be easily updated by using any previously adjusted image quality data.
  • a maker side can distribute any image quality data set by a famous critic or the like through the Internet 107 so that new sales promotion can be carried out, thereby providing any utility to the maker.
  • Any discussion between or among the customers relative to image quality can be realized on the Internet 107 so that the discussion can be further stimulated. This causes word-of-mouth advertising between or among the customers, thereby providing any utility to the maker.
  • a TO TOP button 204 and a FINISH button 206 are displayed.
  • the display 170 is returned to the selection screen for selecting input and/or input of the image quality data, which is illustrated in FIG. 7 .
  • the main CPU 117 closes the browser 190 to disconnect the connection with the storage server 103 . It is to be noted that the browser 190 attaches a close button, not shown, and by clicking the close button, the browser 190 can finish anytime.
  • the following will describe an operation example of the image-displaying system 100 in which DTV 1 101 acquires the image quality data from the storage server 103 through the Internet 107 to set the image quality data as image information.
  • FIG. 13 is a flowchart for showing operations of the storage server 103 .
  • the storage server 103 is connected with the Internet 107 via the communication lines 105 .
  • the storage server 103 previously stores the image quality data set by a famous critic or the like.
  • the storage server 103 receives a request signal for acquiring the image quality data from DTV 1 101 .
  • the process then goes to step S 2 where the storage server 103 extracts equipment identifier of the corresponding DTV 1 101 from the received request signal for acquiring the image quality data.
  • step S 3 the storage server 103 authenticates the extracted equipment identifier. For example, the extracted equipment identifier of DTV 1 101 is compared with plural equipment identifiers stored in the storage server 103 . It is then determined whether or not the extracted equipment identifier of DTV 1 101 matches any equipment identifiers stored in the storage server 103 . If the extracted equipment identifier of DTV 1 101 matches any equipment identifiers stored in the storage server 103 , the process goes to step S 4 . If the extracted equipment identifier of DTV 1 101 does not match any equipment identifiers stored in the storage server 103 , the process goes to step S 6 .
  • the storage server 103 presents the image quality data corresponding to the equipment, DTV 1 101 .
  • the storage server 103 presents the image quality data relative to the program genre, “Sports (Baseball)” or the like illustrated FIGS. 8 and 9 .
  • the process then goes to step S 5 .
  • the storage server 103 sends the selected image quality data to the DTV 1 101 .
  • the storage server 103 sends the image quality data relative to the program genre, “Sports (Baseball)” to DTV 1 101 and the process of sending the image quality data finishes.
  • the storage server 103 sends any error information to DTV 1 101 at the step S 6 .
  • an error message such that there is no image quality data corresponding to the equipment having the name of equipment: XXXX is sent to DTV 1 101 and the process of sending the image quality data finishes.
  • the storage server 103 sends the image quality data stored therein to DTV 1 101 in response to the request from DTV 1 101 .
  • FIG. 14 is a flowchart for showing operations of DTV 1 101 .
  • the user connects DTV 1 101 with the Internet 107 via the communication lines 105 .
  • DTV 1 101 receives program information based on the user's manipulation for acquiring the information.
  • a broadcast station broadcasts SI table information at a set period of time that is set by the user and DTV 1 101 receives the SI table information through the UHF antenna 119 thereof.
  • the received SI table information is transmitted to the main CPU 117 through the tuner 111 , the digital-broadcast-receiving section 113 , and the PCI bus 135 .
  • the main CPU 117 controls NVRAM 137 to store the SI table information therein through the sub CPU 133 and to produce EPG based on the SI table information and to store it therein.
  • EPG channel information and the program genre information for each period of broadcast time are linked to each other.
  • the process then goes to step S 12 or later where DTV 1 101 acquires the image quality data. It is to be noted that steps S 12 through S 19 relate to any processing for acquiring the image quality data.
  • DTV 1 101 is connected with the storage server 103 .
  • the user manipulates the selection buttons 182 of the remote controller 180 upward, downward, rightward, and leftward to set the mark 172 on an item of the Internet of the image quality data input of the display 170 illustrated in FIG. 7 and then, pushes the decision button 184 .
  • an infrared-rays-receiving section not shown, receives infrared rays from the remote controller 180 and transmits a decision signal to the main CPU 117 .
  • the main CPU 117 receives this determination signal and controls a hard disk, not shown, to read URL stored in the hard disk so that the DTV 1 101 can be connected with the storage server 103 corresponding to the URL via the network terminal 125 and the communication lines 105 . The process then goes to step S 13 .
  • DTV 1 101 sends the request signal for acquiring the image quality data.
  • the main CPU 117 allows the request signal for acquiring the image quality data, which includes information on the equipment identifier of DTV 1 101 , to be sent to the storage server 103 .
  • the process goes to step S 14 .
  • DTV 1 101 determines whether or not there is any image quality data corresponding to the equipment identifier thereof. If there is any image quality data corresponding to the equipment identifier sent to the storage server 103 , the process goes to step S 15 . If there is no image quality data corresponding to the equipment identifier sent to the storage server 103 , the process goes to step S 20 .
  • DTV 1 101 displays a list of items of the image quality data.
  • the pull-down menu is displayed under the message, “Selection of Program Genre” in the browser 190 displayed in the display 170 .
  • the display 170 displays the list of names of the program genres in the browser 190 with the names of the program genres being pulled down.
  • step S 16 After displaying them, if a lower selection button 182 is pushed to select the program genre, “Sports” and the decision button 184 is pushed, the list of the items of the image quality data relative to the selected program genre, “Sports” as illustrated in FIG. 9 is displayed. The process then goes to step S 16 .
  • DTV 1 101 accepts any desired image quality data.
  • the list of the items of the image quality data relative to the selected program genre, “Sports” such as “Baseball”, “Soccer”, “Sumo”, “Tennis”, “Golf” and the like is displayed.
  • the user selects a radio button of “Baseball” from these items.
  • the user can selects radio buttons of “Movies (Action)” and/or “Animation/Special Effects (Fight)”.
  • the NEXT button 192 the confirmation screen illustrated in FIG. 10 in which these items can be selected by checking the check boxes is displayed.
  • the display 170 is changed to display a verification screen as illustrated in FIG. 11 for verifying whether the image quality data is to be downloaded. The process then goes to step S 17 .
  • DTV 1 101 receives the image quality data from the storage server 103 through the Internet 107 .
  • DTV 1 101 receives from the storage server 103 the image quality data relative to the program genres, “Sports (Baseball)”, “Movies (Action)”, and “Animation/Special Effects (Fight)” via the Internet 107 and the communication lines 105 .
  • DTV 1 101 displays the confirmation screen for confirming that the image quality data has been downloaded, which is illustrated in FIG. 12 .
  • the main CPU 117 controls NVRAM 137 to overwrite items of the existing image quality data by using these items of image quality data and store them therein.
  • the main CPU 117 also changes items of the names of program genres in the image quality data selection table 144 illustrated in FIG. 5 . For example, item, “Sports” is changed to item, “Sports (Baseball)”; item, “Movies” is changed to item, “Movies (Action)”; and item, “Animation/Special Effects” is changed to item, “Animation/Special Effects (Fight)”.
  • the process then goes to step S 18 .
  • a dialog box to promote the user's selection whether or not only the increased item(s) over the existing items of the image quality data is (are) updated or added may be displayed. This enables only the increased item(s) of the image quality data to be changed without any change of the existing items of the image quality data that the user has adjusted.
  • step S 18 DTV 1 101 disconnects the connection with the storage server 103 .
  • the main CPU 117 allows DTV 1 101 to disconnect the connection with the storage server 103 .
  • the process then goes to step S 19 .
  • DTV 1 101 sets the image quality data as the image information based on the program information. For example, when the television channel is changed to 3rd channel, the main CPU 117 transmits a channel change signal (3ch) to the sub CPU 133 .
  • the sub CPU 133 receives the channel change signal (3ch) and refers to EPG stored in the NVRAM 137 so that the program genre information, for example, “Sports” corresponding to the channel information (3ch) can be acquired from the EPG and the sub CPU 133 allows the image quality data relative to the program genre, “Sports (Baseball)”, which has previously been downloaded from the storage server 103 , to be transmitted to the image-processing section 109 based on the acquired program genre information, “Sports”.
  • the image-processing section 109 receives the image quality data relative to the program genre, “Sports (Baseball)” and adjusts brightness, contrast, color depth and the like of the image information based on the image quality data relative to the program genre, “Sports (Baseball)”. The image-processing section 109 then transmits the adjusted image information to the image-outputting section 115 . The process for adjusting image quality then finishes.
  • DTV 1 101 displays any error information at step S 20 .
  • the main CPU 117 allows an error message such that there is no image quality data corresponding to the equipment having the name of equipment: XXXX to be received from the storage server 103 and controls the image-outputting section 115 to display the error message.
  • the image-outputting section 115 displays the error message on the display 170 of DTV 1 101 .
  • the process then goes to the step S 18 . This enables the image quality data relative to the program genre, “Sports (Baseball)” or the like to be downloaded from the storage server 103 and to be set in the image-processing section 109 based on the program genre information.
  • the main CPU 117 can receive the request signal for changing the image quality data from the remote controller 180 , change contents of the image quality data based on the received request signal, and upload the image quality data having the changed contents to the storage server 103 through the Internet 107 .
  • This enables another user to download the image quality data thus uploaded to the storage server 103 .
  • Another user who downloads the uploaded image quality data can adjust any image quality of an image for every program genre based on the downloaded image quality data.
  • DTV 1 101 when a user adjust any image quality of an image, DTV 1 101 receives any image quality data relative to program genre information from the storage server 103 , selects any desired image quality data based on the program genre information among items of the received image quality data, and performs any processing on the information on the image based on the selected image quality data. Further, due to the embodiment of the image-displaying apparatus (DTV 1 101 ) and the image-displaying method according to the invention, the sub CPU 133 provided for setting the image quality data sets the image quality data that is received through the communication lines 105 connected with the Internet 107 in the image-processing section 109 based on the program genre information. This enables any user to enjoy an image that satisfies any user's taste for every program genre. It is also possible to update any existing image quality data easily by using any previously adjusted image quality data.
  • FIGS. 15 through 17 illustrate these embodiments of an image-displaying system, an image-displaying apparatus, and an image-displaying method, in which the image quality data is inputted through the USB terminal 121 .
  • Like reference characters that will be used in FIGS. 15 through 17 refer to like elements of the above embodiment shown in FIGS. 2 through 12 , detailed description of which will be omitted.
  • FIG. 15 illustrates a display example in a display 170 of the DTV 1 201 according to this embodiment when the image quality data is obtained from a USB memory 131 and a manipulation example (No. 1) of a user.
  • the USB memory 131 is inserted into the USB terminal 121 of DTV 1 201 .
  • a list screen of items of the image quality data stored in the inserted USB memory 131 is displayed on a display 170 of DTV 1 201 as illustrated in FIG. 15 .
  • This list screen is displayed when a user sets the mark 172 on the item of USB of the image quality data input displayed on the display 170 illustrated in FIG. 7 and pushes the decision button 184 while the USB memory 131 is inserted into the USB terminal 121 .
  • the USB controller 123 controls the USB memory 131 to read a name of program genre of the image quality data out thereof through the USB terminal 121 .
  • Data relative to the read name of program genre is transmitted to the main CPU 117 through the PCI bus 135 .
  • the main CPU 117 controls the USB controller to output the data relative to the name of program genre thus read out through PCI bus 135 .
  • the main CPU 117 controls the sub CPU 133 to display the input data relative to the name of program genre.
  • a title M 3 “Image Quality Data Input (through the USB terminal)” is displayed.
  • the names of three species of the image quality data such as “News/Reports”, “Handy Cam” and “Original” stored in the USB memory 131 are displayed.
  • a user manipulates a lower selection button 182 of the remote controller 180 to set the mark 172 on the item of “News/Reports” and pushes the decision button 184 .
  • the main CPU 117 controls the USB controller 123 to read the image quality data relative to “News/Reports” from the USB memory 131 .
  • the USB controller 123 controls the USB memory 131 to read the image quality data relative to “News/Reports” out thereof through the USB terminal 121 . This enables the image quality data stored in the USB memory 131 to be acquired.
  • any scheme by which one item of the image quality data can be selected such as a pull-down menu and a spinbox may be used in addition to the above list screen scheme.
  • FIG. 16 illustrates a display example in the display 170 of the DTV 1 201 according to this embodiment when the image quality data is obtained from the USB memory 131 and a manipulation example (No. 2) of the user.
  • a confirmation comment of the selected image quality data is displayed on the display 170 illustrated in FIG. 16 .
  • the confirmation comment is displayed when the user selects the item of “News/Reports” illustrated in FIG. 15 and pushes the decision button 184 .
  • a title M 3 “Image Quality Data Input (through the USB terminal)” is displayed.
  • the confirmation comment for confirming whether any image quality data relative to “News/reports” selected in FIG. 15 should overwrite the existing image quality data is displayed.
  • a YES button 210 and a NO button 212 are displayed.
  • the main CPU 117 controls NVRAM 137 to overwrite the existing image quality data by using the acquired image quality data relative to “News/Reports” and store the overwritten image quality data.
  • the main CPU 117 also controls the image-outputting section 115 to display a screen of the display 170 illustrated in FIG. 15 in order to promote his or her reselection of the image quality data.
  • the main CPU 117 controls the image-outputting section 115 to display a screen of the display 170 illustrated in FIG. 15 in order to promote his or her reselection of the image quality data without overwriting the existing image quality data by using the acquired image quality data relative to “News/Reports” and storing the overwritten image quality data. This prevents any undesirable image quality data from being acquired.
  • FIG. 17 illustrates a display example in the display 170 of the DTV 1 201 according to this embodiment when the image quality data is obtained from the USB memory 131 and a manipulation example (No. 3) of the user.
  • a screen for confirming that the image quality data has been read is displayed on the display 170 illustrated in FIG. 17 . This screen is displayed when the user pushes the YES button 210 displayed in FIG. 16 .
  • a title M 3 “Image Quality Data Input (through the USB terminal)” is displayed.
  • a comment for confirming that the image quality data relative to “News/reports” confirmed in FIG. 16 has overwritten the existing image quality data is displayed.
  • a RETURN button 214 and a FINISH button 216 are displayed on a bottom of the display 170 . If the user sets the mark 172 on the RETURN button 214 and pushes the decision button 184 , the list screen for displaying items of the image quality data stored in the USB memory 131 as illustrated in FIG. 15 is displayed. Thus, the user can acquire items of image quality data relative to “Handy Cam” and “Original” similar to the acquirement of image quality data relative to “News/Reports”.
  • the sub CPU 133 controls the image-processing section 109 to receive the acquired image quality data relative to “News/Reports” and the like based on the program genre information.
  • the image-processing section 109 receives the image quality data relative to “News/Reports” and the like and adjusts any information on the image on its brightness, contrast, color depth and the like based on the received image quality data relative to “News/Reports” and the like.
  • the image-processing section 109 also transmits the adjusted information on the image to the image-outputting section 115 .
  • the image-outputting section 115 displays the image on the display 170 based on this information on the image.
  • the screen of image quality data input through the USB terminal 121 finishes, so that the image quality data input/output screen illustrated in FIG. 7 can be again displayed. Further, if the user takes the USB memory 131 out of the USB terminal 121 , operations similar to the case where the user pushes the FINISH button 216 are performed.
  • the sub CPU 133 provided for setting the image quality data allows the image quality data that is received through the USB terminal 121 to be set based on the program genre information and any information on the image in the image-processing section 109 to be adjusted based on the set image quality data. This enables any user to enjoy an image that satisfies any user's taste for every program genre. It is also possible to update any existing image quality data easily by using any previously adjusted image quality data.
  • FIGS. 18 and 19 illustrate these embodiments of an image-displaying system, an image-displaying apparatus, and an image-displaying method, in which the image quality data is outputted through the USB terminal 121 .
  • Like reference characters that will be used in FIGS. 18 and 19 refer to like elements of the above embodiment shown in FIGS. 2 through 12 , detailed description of which will be omitted.
  • FIG. 18 illustrates a display example in a display 170 of the DTV 1 301 when the image quality data is output to the USB memory 131 and a manipulation example (No. 1) of a user.
  • the USB memory 131 is inserted into the USB terminal 121 of DTV 1 301 .
  • a list screen of items of the image quality data to be written into the inserted USB memory 131 is displayed on a display 170 of DTV 1 301 as illustrated in FIG. 18 . This list screen is displayed when a user sets the mark 172 on the item of USB of the image quality data output displayed on the display 170 illustrated in FIG. 7 and pushes the decision button 184 .
  • a title M 4 “Image Quality Data Output (through the USB terminal)” is displayed.
  • a comment that allows the user to select the item(s) of the image quality data to be written into the USB memory 131 is displayed.
  • names of twenty species of image quality data illustrated in FIG. 3 are displayed.
  • the user manipulates the selection buttons 182 of the remote controller 180 to set the mark 172 on the item of “News/Reports” and pushes the decision button 184 .
  • the main CPU 117 controls the NVRAM 137 to read the image quality data relative to “News/Reports” stored therein and transmit it to the USB controller 123 through the PCI bus 135 .
  • the USB controller 123 controls the USB memory 131 to write the received image quality data relative to “News/Reports” therein through the USB terminal 121 . This enables the image quality data relative to “News/Reports” to be delivered to another user.
  • any scheme by which one item of the image quality data can be selected such as a pull-down menu and a spinbox may be used in addition to the above list screen scheme.
  • FIG. 19 illustrates a display example in the display 170 of the DTV 1 301 when the image quality data is output to the USB memory 131 and a manipulation example (No. 2) of the user.
  • a confirmation screen for confirming whether or not any other image quality data is written is displayed on the display 170 illustrated in FIG. 19 .
  • the confirmation screen is displayed when the user sets the mark 172 on the item of “News/Reports” illustrated in FIG. 18 and pushes the decision button 184 .
  • the title M 4 “Image Quality Data Output (through the USB terminal)” is displayed. Under the title M 4 , a comment that the image quality data relative to “News/reports” has been written is displayed. Another comment for confirming whether or not any other image quality data is written is also displayed. On a bottom of the display 170 , a YES button 220 and a NO button 222 are displayed.
  • the user desires to write any other image quality data, he or she manipulates the selection buttons 182 to set the mark 172 on the YES button 220 and pushes the decision button 184 .
  • the display 170 then changes its screen to the list screen of items of the image quality data illustrated in FIG. 18 .
  • the display 170 returns to the image quality data input/output screen illustrated in FIG. 7 in which the user can select the input and/or input of the image quality data.
  • the main CPU 117 controls NVRAM 137 to read the image quality data stored therein and write the read image quality data into the USB memory 131 through the USB terminal 121 , based on the user's manipulation of the remote controller 180 .
  • FIG. 20 illustrates an example of writing the image quality data 140 to the text file 240 .
  • the image quality data 140 relative to the program genre, “News/Reports” is written to the text file 240 .
  • “/DTV/X1000/PictureData/”, for example, is set as a folder of write address or read address in the USB memory 131 . It can be set as any folder if the write address and the read address are matched to each other. A user can set a folder of write address or read address optionally.
  • the text file 240 is stored automatically as “ID+name of the image quality data.txt” such as “1_News/Reports.txt”.
  • the user can change the name of the image quality data. For example, the name of the image quality data, “1_News/Reports” can be changed to “1_News”.
  • a reading scheme such that one text file is converted to one item of the image quality data and such the image quality data is then read is conceivable.
  • the user inserts the USB memory 131 that stores the text file 240 into the USB terminal 121 .
  • the USB controller 123 controls the USB memory 131 to retrieve the text file 240 and read the image quality data 140 out thereof.
  • the USB controller 123 then transmits the read image quality data 140 to the main CPU 117 through PCI bus 135 .
  • the main CPU 117 controls the NVRAM 137 to receive and store the image quality data 140 as the image quality data relative to program genre, “News/Reports” as illustrated in FIG. 3 .
  • a binary file, an encrypted text file, and an encrypted binary file may be used in addition to the text file.
  • FIG. 21 illustrates an example of reading the text files 240 a through 240 e .
  • These text files 240 a through 240 e illustrated in FIG. 21 are stored in, for example, the USB memory 131 .
  • the USB controller 123 controls the USB memory 131 to read the data out thereof through the USB terminal 121 .
  • the USB controller 123 then transmits the read data to the main CPU 117 through the PCI bus 135 .
  • the main CPU 117 checks numbers of items of the input image quality data, letters that are used in the names of image quality data, an accepted extent of each of the image quality data values, and the like.
  • the text file 240 b contains any unaccepted data such as “999” and “ ⁇ 20” out of the accepted extent of each of the image quality data values.
  • the text file 240 d also contains any unaccepted letters such as “ ⁇ ” that is forbidden from being used therein.
  • the main CPU 117 avoids displaying the text files 240 b , 240 d on the display 170 that have been checked as a text file containing unaccepted data. This prevents the image quality data from overwriting any existing image quality data by using the erroneous image quality data, contents of which a user changes by using a personal computer to change the image quality data in the text files 240 in error.
  • a dialog box or the like it is preferable to confirm whether or not the data is to be overwritten by using a dialog box or the like because the image quality data having the same identifier as that of the image quality data stored in the NVRAM 137 , which is read out of the USB memory 131 , overwrites the image quality data stored in the NVRAM 137 .
  • a user interface such that the name of image quality data can be changed with freedom by using a software keyboard, not shown, built in DTV 1 301 may be prepared. It is also preferable to confirm whether or not any letters that the main CPU 117 prohibits from being used are contained in the names of the image quality data since any DTV 1 has a limitation on fonts.
  • FIG. 22 is a flowchart for showing a check example of the text files.
  • DTV 1 receives the image quality data.
  • the USB controller 123 controls the USB memory 131 to read the data out thereof through the USB terminal 121 and transmits the read image quality data to the main CPU 117 through the PCI bus 135 .
  • the main CPU 117 receives the image quality data from the USB controller 123 and the process goes to step S 22 .
  • DTV 1 determines whether or not number of the items of image quality data is correct. For example, normal number of the items of image quality data is stored in the NVRAM 137 so that the main CPU 117 reads the normal number of the items of image quality data therefrom to compare the number of items of the received image quality data with the read normal number of the items of image quality data. If the number of items of the received image quality data agrees with the read normal number of the items of image quality data, the process goes to step S 23 . If the number of items of the received image quality data disagrees with the read normal number of the items of image quality data, the process finishes.
  • DTV 1 determines whether or not letter(s) that are not permitted to be used in the name of image quality data is (are) contained. For example, all the letters that are permitted to be used in the names of image quality data are stored in the NVRAM 137 so that the main CPU 117 controls the NVRAM 137 to read the letters that are permitted to be used in the names of image quality data to compare letters contained in the received image quality data with the read letters that are permitted to be used in the names of image quality data. If all the letters contained in the received image quality data are the letters that are permitted to be used in the names of image quality data, the process goes to step S 24 . If any letters other than the letters that are permitted to be used in the names of image quality data are contained in the received image quality data, the process finishes.
  • DTV 1 determines whether or not each of the items of the image quality data is contained within an accepted extent. For example, normal extent of each of the items of the image quality data is stored in the NVRAM 137 so that the main CPU 117 controls the NVRAM 137 to read the normal extent to compare each of the values of the received image quality data with the read normal extent. If all the values of the received image quality data stay in its normal extent, the process goes to step S 25 . If any values of the received image quality data stay out of its normal extent, the process finishes.
  • DTV 1 overwrites the existing image quality data in the NVRAM 137 by using the selected image quality data and stores the overwritten one.
  • the main CPU 117 transmits the checked image quality data to the sub CPU 133 and the sub CPU 133 controls the NVRAM 137 to overwrite the existing image quality data in the NVRAM 137 by using the checked image quality data and store the overwritten one.
  • the image quality data received through the communication lines 105 may be checked by similar processing.
  • the main CPU 117 when receiving any image quality data through the USB terminal 121 , the communication lines 105 , and the like, the main CPU 117 is used to check the numbers of items of the input image quality data, letters that are used in each of the names of image quality data, an accepted extent of each of the image quality data values, and the like.
  • an image-displaying system, an image-displaying apparatus, and an image-displaying method according to the invention may have a sound-quality-sommelier function in addition to the image-quality-sommelier function. Any modifications may be applied to DTV 1 to which an existing external recording medium can be connected, by only alteration of software, so that such the modifications in the embodiments of an image-displaying system, an image-displaying apparatus, and an image-displaying method according to the invention may be easily realized without increasing any hardware costs.
  • an electric wave sending apparatus sends electric wave including the image quality data to DTV 1 and DTV 1 then receives the electric wave including the image quality data to select the image quality data based on the program genre information among the items of the received image quality data.
  • the DTV 1 then performs any processing on information on an image based on the selected image quality data.
  • items of the image quality data are exclusively managed by using the image quality data selection table 144 illustrated in FIG. 5 so that the NVRAM 137 may store only a volume of 20 bytes for every one item of the image quality data and which image quality mode the user views and hears the image quality data for each input. Two bytes are sufficient for each input to determine which image quality mode.
  • the image quality data automatically switched alters, so that the NVRAM 137 does not store it.
  • the NVRAM 137 for storing image quality set values and managing items of the image quality data exclusively by using the image quality data selection table 144 may have a moderate volume, not considerable increased one.
  • the invention is preferably applied to an image-displaying system, an image-displaying apparatus, and an image-displaying method, in which image quality of the displayed image can be adjusted.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Controls And Circuits For Display Device (AREA)
US11/880,632 2006-07-24 2007-07-23 Image-displaying system, image-displaying apparatus, and image-displaying method Abandoned US20080143734A1 (en)

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